Home / 19,211.63-26,495.03-12,491.06

Finding the Fourth Proportional to 19,211.63, 26,495.03 and 12,491.06

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Solution

The fourth proportional to 19,211.63, 26,495.03 and 12,491.06 is: 17,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.63 : 26,495.03 = 12,491.06 : x
  2. Step 2: Convert to fraction form
    19,211.63/26,495.03 = 12,491.06/x
  3. Step 3: Cross multiply
    19,211.63x = 26,495.03 × 12,491.06
  4. Step 4: Simplify right side
    19,211.63x = 330,950,908.18
  5. Step 5: Solve for x
    x = 330,950,908.18/19,211.63
  6. Step 6: Final answer
    x = 17,226.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.